Home / 283,971.24-391,880.36-156,647.16

Finding the Fourth Proportional to 283,971.24, 391,880.36 and 156,647.16

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Solution

The fourth proportional to 283,971.24, 391,880.36 and 156,647.16 is: 216,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,971.24 : 391,880.36 = 156,647.16 : x
  2. Step 2: Convert to fraction form
    283,971.24/391,880.36 = 156,647.16/x
  3. Step 3: Cross multiply
    283,971.24x = 391,880.36 × 156,647.16
  4. Step 4: Simplify right side
    283,971.24x = 61,386,945,453.78
  5. Step 5: Solve for x
    x = 61,386,945,453.78/283,971.24
  6. Step 6: Final answer
    x = 216,173.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.